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Evolution Design

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August King



Kate Molesworth and Stefan Camenzind


  • Stefan Camenzind
  • Marco Noch
  • Patrick Uihlein
  • Mark Pinter
  • Silke Ebner
  • Vanessa Riecke

Project Status


Year Completed



173 sq. meters



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Project Description


With its wide walls of glass and a ribbon-like white façade that winds its way around the building, this home on the banks of Lake Zurich is so light and mobile in appearance that it resembles a futuristic vessel that has sailed in from the lake and found itself a natural place to dock.

Called Flexhouse and completed in March 2016 by Swiss architecture and design studio Evolution Design, the four storey, 173 sq metre home has an open plan living, dining and kitchen space on the ground floor, two bedrooms and bathrooms on the first floor, a studio with two large terraces on the second floor and a basement level with underground garage and utility space. But it is the striking exterior architecture and the breathtaking 180degree views across Lake Zurich to the mountains beyond that really capture the imagination.

The project began when Evolution Design executive director Stefan Camenzind spotted a vacant block of land. The plot was well positioned on the banks of Lake Zurich but was a challenging site, triangular in shape, narrow and squeezed between a railway line and a road. Camenzind, though, saw potential in the position.

‘It’s a very transient plot; it has a lot of movement. The land is at the edge of the village where housing meets the countryside. The railway lines behind the plot are a dynamic yet soothing boundary, and in front of the house there is a local access road and the lake. We wanted to create a building that reflected all that movement,’ he says.

Swiss building regulations are notoriously tight and building on this block was particularly challenging. Camenzind explains: ‘There are strict rules around boundary distance and building volume, which means it’s quite difficult to be creative with buildings in Switzerland. But we were determined to build something that responded to the site rather than just a square box planted on the plot.’

Flexhouse is anything but a square box. The design features a floor plan that goes from wide to narrow to follow the railway lines and shape of the plot. The striking façade wraps around the building, drawing the eye continuously upward: the house never feels stiff or still, there are always elements drawing your eye throughout the space and to the views beyond.

‘We’ve given the space a direction of view. When you’re travelling in a car or train, you face a certain way and this house does too. On the ground floor it faces south-east, from the bedroom it faces west towards the sunset. And from the top floor terraces there are views around 180 degrees,’ says Camenzind.

The fluidity of the design continues inside, thanks to an open plan interior, unbroken views and reams of natural light, which streams throughout the space all day long. On the ground floor, the spacious living room transitions into a dining area and loft-style kitchen. Rather than close off individual floors, the design incorporates a double height open space that allows the eyes to travel, delivering a glimpse of the bedrooms above or, from the first floor, to the living room below.

With glass walls on three sides this home blurs the boundaries between outside and in. ‘Connecting inside and out is very important to me as an architect,’ says Camenzind. ‘I want people to know where they are when they are inside a building.’

The top floor studio with its panoramic views and two roof terraces is the culmination of this seamless flow between inside and out.

The house does have its quiet corners, too. ‘There’s always a back wall, which helps give a more cosy feeling,’ Camenzind says. ‘And you can close the blinds to create a peaceful, private corner.’

Despite its model good looks, the house has been designed for everyday living and practical and ecological elements are integrated into the design. The rear wall of the living room functions as a storage and display space; the kitchen grows out of the same wall and in the bedrooms the wall functions as a screen, to separate the bathrooms from the sleeping spaces. Ecologically, the house meets Switzerland’s Minergie standard with features including thermally activated concrete floors that connect to a geothermal heat pump to heat the house in winter and cool it in summer. The glass façades are triple glazed and have external blinds for optimal control of heat gain from the sun.

Thus, Flexhouse with its innovative and ecological approach adds an extraordinary architectural touch on picturesque Lake Zurich and provides a truly special kind of eye-catcher.
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